openvswitch: add tunnel protocol to sw_flow_key
Store tunnel protocol (AF_INET or AF_INET6) in sw_flow_key. This field now also acts as an indicator whether the flow contains tunnel data (this was previously indicated by tun_key.u.ipv4.dst being set but with IPv6 addresses in an union with IPv4 ones this won't work anymore). The new field was added to a hole in sw_flow_key. Signed-off-by: Jiri Benc <jbenc@redhat.com> Acked-by: Pravin B Shelar <pshelar@nicira.com> Acked-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
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David S. Miller

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4917a1548f
commit
00a93babd0
@@ -63,6 +63,7 @@ struct sw_flow_key {
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u32 skb_mark; /* SKB mark. */
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u16 in_port; /* Input switch port (or DP_MAX_PORTS). */
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} __packed phy; /* Safe when right after 'tun_key'. */
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u8 tun_proto; /* Protocol of encapsulating tunnel. */
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u32 ovs_flow_hash; /* Datapath computed hash value. */
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u32 recirc_id; /* Recirculation ID. */
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struct {
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